// Copyright 2025 EMQ Technologies Co., Ltd.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package model

type IndexValuer interface {
	ValueByIndex(index int, sourceIndex int) (any, bool)
	SetByIndex(index int, value any)
	SetTempByIndex(index int, value any)
	TempByIndex(index int) any
}

// SliceVal this is the content type for slice tuple
type SliceVal []any

func (s SliceVal) IsEmpty() bool {
	for _, v := range s {
		if v != nil {
			return false
		}
	}
	return true
}

func (s SliceVal) SetByIndex(index int, val any) bool {
	if index < 0 || index >= len(s) {
		return false
	}
	s[index] = val
	return true
}
